VSCode: generic debug config for nodejs app + mocha test runner. Useful resources: [http://www.albertgao.xyz/2016/12/16/how-to-debug-mocha-tests-in-visual-studio-code-with-es5-or-es6/] [https://go.microsoft.com/fwlink/?linkid=830387]

launch.js

{
    // Use IntelliSense to learn about possible attributes.
    // Hover to view descriptions of existing attributes.
    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
		{
			"name": "Launch App",
			"type": "node",
			"request": "launch",
			"program": "${workspaceFolder}/src/index.js",
			// Automatically stop program after launch.
			"stopOnEntry": false,
			// Command line arguments passed to the program.
			"args": [],
			// Workspace relative or absolute path to the working directory of the program being debugged. Default is the current workspace.
			"cwd": "${workspaceRoot}",
			"runtimeArgs": [
				"--nolazy"
			],
			"sourceMaps": true,
			"env": { "NODE_ENV": "production"}			
		},
        {
			// Name of configuration; appears in the launch configuration drop down menu.
			"name": "Run mocha",
			// Type of configuration. Possible values: "node", "mono".
			"type": "node",
			"request": "launch",
			// Workspace relative or absolute path to the program.
			"program": "${workspaceRoot}/node_modules/mocha/bin/_mocha",
			// Automatically stop program after launch.
			"stopOnEntry": false,
			// Command line arguments passed to the program.
			"args": ["src/**/*.spec.js"],
			// Workspace relative or absolute path to the working directory of the program being debugged. Default is the current workspace.
			"cwd": "${workspaceRoot}",
			"runtimeArgs": [
				"--nolazy"
			],
			"sourceMaps": true,
			"env": { "NODE_ENV": "production"}
		}
    ]
}